isatty: Make it return true in Cygwin consoles on native Windows. * lib/isatty.c: Include <string.h>. (GetProcAddress): New macro. (GetNamedPipeClientProcessIdFuncType): New type. (GetNamedPipeClientProcessIdFunc): New variable. (QueryFullProcessImageNameFuncType): New type. (QueryFullProcessImageNameFunc): New variable. (initialized): New variable. (initialize): New function. (IsCygwinConsoleHandle): New function. (isatty): Invoke it. * doc/posix-functions/isatty.texi: Mention the issue.

Description:
Unicode character output to streams with locale dependent encoding.

Files:
lib/unicodeio.h
lib/unicodeio.c
m4/unicodeio.m4

Depends-on:
unistr/u8-uctomb
iconv
iconv_open
gettext-h
localcharset
error
stdio

configure.ac:
gl_UNICODEIO

Makefile.am:
lib_SOURCES += unicodeio.h unicodeio.c

Include:
"unicodeio.h"

License:
GPL

Maintainer:
all